Home / 613,973.28-847,058.40-372,081.36

Finding the Fourth Proportional to 613,973.28, 847,058.40 and 372,081.36

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Solution

The fourth proportional to 613,973.28, 847,058.40 and 372,081.36 is: 513,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,973.28 : 847,058.40 = 372,081.36 : x
  2. Step 2: Convert to fraction form
    613,973.28/847,058.40 = 372,081.36/x
  3. Step 3: Cross multiply
    613,973.28x = 847,058.40 × 372,081.36
  4. Step 4: Simplify right side
    613,973.28x = 315,174,641,471.42
  5. Step 5: Solve for x
    x = 315,174,641,471.42/613,973.28
  6. Step 6: Final answer
    x = 513,336.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.